138950890

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{36857}}^1$

素因数の和:36906

約数の個数: 32

約数和(自身を含む): 278646480

約数和(自身を除く): 139695590

約数列:

[1, 2, 5, 10, 13, 26, 29, 58, 65, 130, 145, 290, 377, 754, 1885, 3770, 36857, 73714, 184285, 368570, 479141, 958282, 1068853, 2137706, 2395705, 4791410, 5344265, 10688530, 13895089, 27790178, 69475445, 138950890]

約数ペア:

[(1, 138950890), (2, 69475445), (5, 27790178), (10, 13895089), (13, 10688530), (26, 5344265), (29, 4791410), (58, 2395705), (65, 2137706), (130, 1068853), (145, 958282), (290, 479141), (377, 368570), (754, 184285), (1885, 73714), (3770, 36857)]